Re: What about add a interface to output the assembly codes follow inferior execution

[Doug Evans <dje@google.com>]

On Mon, Mar 2, 2009 at 7:10 PM, teawater <teawater@gmail.com> wrote:
> Hi guys,
>
> I am not sure gdb have a interface to output assembly codes except
> "disassemble".
> Maybe gdb can support a interface can output assembly codes of next
> part of code.
>
> For example:
> #If exec-disassemble set to auto, just output assembly codes if there
> is not line message.
> #It will be the default value.
> (gdb) set exec-disassemble auto
> (gdb) si
> 0x080483ee      24              b = printf ("a = %d b = %d c = %d\n", a, b, c);
> (gdb) si
> 0x080482d8 in printf@plt ()
> Current language:  auto; currently asm
> 0x080482d8 <printf@plt+0>:      jmp    *0x8049670
> (gdb) si
> 0x080482de in printf@plt ()
> 0x080482de <printf@plt+6>:      push   $0x10
>
> #If exec-disassemble set to on, gdb will always output assembly codes.
> (gdb) set exec-disassemble on
> (gdb) n
> 26              printf ("a = %d b = %d c = %d\n", a, b, c);
>  80483fe:       8b 15 84 96 04 08       mov    0x8049684,%edx
>  8048404:       8b 45 f4                mov    -0xc(%ebp),%eax
>  8048407:       89 44 24 0c             mov    %eax,0xc(%esp)
>  804840b:       8b 45 f8                mov    -0x8(%ebp),%eax
>  804840e:       89 44 24 08             mov    %eax,0x8(%esp)
>  8048412:       89 54 24 04             mov    %edx,0x4(%esp)
>  8048416:       c7 04 24 58 85 04 08    movl   $0x8048558,(%esp)
>  804841d:       e8 b6 fe ff ff          call   80482d8 <printf@plt>
>
> #If exec-disassemble set to off, gdb will work like before.
> (gdb) set exec-disassemble off
>
>
> What do you think about it?

Are you looking for behaviour different than what "disp/8i $pc" would give you?